def "throws decent error when description not set"() {
        when:
        TaskOptionsGenerator.generate(new TestClass7(), reader).getAll()
        then:
        def e = thrown(OptionValidationException)
        e.message == "No description set on option 'aValue' at for class 'org.gradle.api.internal.tasks.options.OptionReaderTest\$TestClass7'."

        when:
        TaskOptionsGenerator.generate(new TestClass8(), reader).getAll()